Potato virus-free seedling transplanting planting device

The utility model discloses a potato virus-free seedling transplanting planting device which comprises an installation box, a built-in groove is formed in the upper portion of the installation box, multiple sets of seedling raising cups fixedly penetrate through the inner bottom face of the built-in groove, and multiple sets of first bearings penetrate through the two sides of the interior of the installation box. A connecting shaft penetrates through the interiors of the two sets of first bearings located on the same horizontal line, a transparent plate is arranged on the upper portion of the mounting box, multiple sets of air holes are formed in the upper portion of the transparent plate, a liquid discharging pipe is installed on the other side of a built-in groove in a penetrating mode, a suction pump is installed at one end of the liquid discharging pipe, and a liquid guiding pipe is connected to the lower portion of the output end of the suction pump in a clamped mode. And one end of the liquid guide pip